The U.S. agrees to buy 200 million more doses of Moderna’s vaccine, in case boosters are needed.


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Politics|The U.S. agrees to buy 200 million more doses of Moderna’s vaccine, in case boosters are needed.
https://www.nytimes.com/2021/06/16/us/politics/moderna-covid-vaccine-booster-shots.html
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The Biden administration, planning for the possibility that Americans could need booster shots of the coronavirus vaccine, has agreed to buy an additional 200 million doses from the drugmaker Moderna with the option to include any developed to fight variants as well as pediatric doses.

The purchase, with delivery expected to begin this fall and continue into next year, gives the administration the flexibility to administer booster shots if they prove necessary, and to inoculate children under 12 if the Food and Drug Administration authorizes vaccination for that age group, according to two administration officials not authorized to discuss it publicly.

Experts do not yet know whether, or when, booster shots might be necessary. The emergence of variants in recent months has accelerated research on boosters, and the current vaccines are considered effective against several variants, including the Alpha variant which was first identified in Britain and which became dominant in the United States.

And this week, U.S. health officials classified the Delta variant, which was first found in India, as a “variant of concern,” sounding the alarm because it spreads rapidly and may cause more serious illness in unvaccinated people. Concern over Delta prompted England to delay lifting restrictions imposed because of the pandemic.

Moderna, a company that had no products on the market until the F.D.A. granted its Covid vaccine emergency authorization last year, uses mRNA platform technology to make its vaccine — a so-called “plug and play” method that is especially adaptable to reformulation. Last month, the company announced preliminary data from a clinical trial of a booster vaccine matched to the Beta variant, first identified in South Africa; the study found an increased antibody response against Beta and Gamma, another variant of concern first identified in Brazil.

In announcing the purchase on Wednesday, Moderna said it expected to deliver 110 million of the new doses in the fourth quarter of this year, and 90 million in the first quarter of 2022. The option brings the total U.S. procurement of Moderna’s two-shot vaccine to 500 million doses.

“We appreciate the collaboration with the U.S. government for these additional doses of the Moderna Covid-19 vaccine, which could be used for primary vaccination, including of children, or possibly as a booster if that becomes necessary to continue to defeat the pandemic,” Stéphane Bancel, Moderna’s chief executive officer, said in a statement.

“We remain focused on being proactive as the virus evolves by leveraging the flexibility of our mRNA platform to stay ahead of emerging variants,” he said.

Under its existing contract with Moderna, the federal government had until Tuesday to exercise the option to purchase doses for future vaccination needs at the same price it is currently paying — about $16.50 a dose. Similar conversations are underway with Pfizer-BioNTech, which also makes a two-dose mRNA vaccine, but no agreement has been reached, one of the officials said.

State health departments are also preparing for the necessity of “revaccination,” Dr. Nirav Shah, president of the Association of State and Territorial Health Officials and Maine’s top health official, told reporters on Wednesday.

“It may be just a bit too early to tell with finality whether second doses, booster doses” will be needed in the fall, Dr. Shah said. “Certainly the better job we do now lowers the likelihood that variants could run loose.”

He added, “There is a direct link between what we do now and what we may need to do later.”

As of Wednesday, about 65 percent of U.S. adults had received at least one shot, according to federal data. But with vaccination rates slowing down, the administration is still focused on trying to meet President Biden’s goal of having at least 70 percent of adults get one shot by July 4, and also on addressing the global vaccine shortage.

“With the concerning Delta variant growing and millions more Americans to vaccinate, we are focused on our urgent and robust response to the pandemic,” Kevin Munoz, a White House spokesman, said in a statement Tuesday.

Last week, at the outset of his meeting with leaders of the Group of 7 nations, Mr. Biden announced that the United States would buy 500 million doses of Pfizer vaccine and donate them for use by about 100 low- and middle-income countries over the next year, describing it as America’s “humanitarian obligation to save as many lives as we can.”

One of the officials said Wednesday that if the Moderna purchase left the administration with surplus vaccine, the administration would donate those doses to other countries.